﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Encryptohide.DesEncryption
{

    #region permutatie_tabellen
    class Data
    {
        public static readonly int[] pc_1 ={ 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 
                                          42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 
                                          27, 19, 11, 3, 60, 52, 44, 36, 63, 55, 
                                          47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 
                                          30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 
                                          13, 5, 28, 20, 12, 4 };
        public static readonly int[] pc_2 ={ 14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 
                                          10, 23, 19, 12, 4, 26, 8, 16, 7, 27, 
                                          20, 13, 2, 41, 52, 31, 37, 47, 55, 30, 
                                          40, 51, 45, 33, 48, 44, 49, 39, 56, 34, 
                                          53, 46, 42, 50, 36, 29, 32 };
        public static readonly int[] ip ={ 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 
                                           44, 36, 28, 20, 12, 4, 62, 54, 46, 38, 
                                           30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 
                                           16, 8, 57, 49, 41, 33, 25, 17, 9, 1, 59, 
                                           51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 
                                           37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 
                                           23, 15, 7 };
        public static readonly int[] ip_1 ={ 40, 8, 48, 16, 56, 24, 64, 32, 39, 7, 
                                            47, 15, 55, 23, 63, 31, 38, 6, 46, 14, 
                                            54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 
                                            61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 
                                            35, 3, 43, 11, 51, 19, 59, 27, 34, 2, 
                                            42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 
                                            49, 17, 57, 25 };
        public static readonly int[] pc_e ={ 32, 1, 2, 3, 4, 5, 4, 5, 6, 7, 8, 9, 8, 
                                          9, 10, 11, 12, 13, 12, 13, 14, 15, 16, 
                                          17, 16, 17, 18, 19, 20, 21, 20, 21, 22, 
                                          23, 24, 25, 24, 25, 26, 27, 28, 29, 28, 
                                          29, 30, 31, 32, 1 };
        public static readonly int[] pc_p ={ 16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 
                                          26, 5, 18, 31, 10, 2, 8, 24, 14, 32, 
                                          27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25 };

        public static readonly int[] nrOfShifts ={ 0, 1, 1, 2, 2, 2, 2, 2, 2, 1, 
                                                2, 2, 2, 2, 2, 2, 1 };

        public static List<int[,]> sBoxes = new List<int[,]>();

        static Data()
        {
            sBoxes.Add(s1);
            sBoxes.Add(s2);
            sBoxes.Add(s3);
            sBoxes.Add(s4);
            sBoxes.Add(s5);
            sBoxes.Add(s6);
            sBoxes.Add(s7);
            sBoxes.Add(s8);
        }

        public static readonly int[,] s1 ={ { 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7 }, 
                                         { 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8 }, 
                                         { 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0 }, 
                                         { 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 } };
        public static readonly int[,] s2 ={ { 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10 }, 
                                         { 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5 }, 
                                         { 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15 }, 
                                         { 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 } };
        public static readonly int[,] s3 ={ { 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8 }, 
                                         { 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1 }, 
                                         { 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7 }, 
                                         { 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 } };
        public static readonly int[,] s4 ={ { 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15 }, 
                                         { 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9 }, 
                                         { 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4 }, 
                                         { 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 } };
        public static readonly int[,] s5 ={ { 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9 }, 
                                         { 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6 }, 
                                         { 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14 }, 
                                         { 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 } };
        public static readonly int[,] s6 ={ { 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11 }, 
                                         { 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8 }, 
                                         { 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6 }, 
                                         { 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 } };
        public static readonly int[,] s7 ={ { 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1 }, 
                                         { 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6 }, 
                                         { 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2 }, 
                                         { 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 } };
        public static readonly int[,] s8 ={ { 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7 }, 
                                         { 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2 }, 
                                         { 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8 }, 
                                         { 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 } };
    }

    #endregion

    #region opslaan_key's
    class Keys
    {
        public string[] Cn = new string[17];
        public string[] Dn = new string[17];

        public string[] Kn = new string[16];
    }
    #endregion
}
